Catalog LV1 T 2009 Chapter 3 EN

3
3RT, 3TB, 3TF Contactors for Switching Motors
3RT10 contactors, 3-pole, 3 ... 250 kW
Contactors Type 3RT10 23 3RT10 24 3RT10 25 3RT10 26
Main circuit
AC capacity
Utilization category AC-4 (for Ia = 6 x Ie) Size S0 S0 S0 S0
Rated operational current Ie Up to 400 V A 8.5 12.5 15.5 15.5
Rated power for squirrel-cage motors
with 50 Hz and 60 Hz
The following applies to a contact endurance
of about 200000 operating cycles:
At 400 V kW 4 5.5 7.5 7.5
- Rated operational currents Ie Up to 400 V
690 V
A
A
4.1
3.3
5.5
5.5
7.7
7.7
9
9
- Rated power for squirrel-cage motors
with 50 Hz and 60 Hz
1) For Ie /AC-1 = 35 A (60 °C) and the corresponding minimum conductor
cross-section 10 mm 2 .
2) Depending on the electronic ballast used, higher lamp numbers are also
possible.
3/26
Siemens LV 1 T · 2009
At 110 V kW 0.5 0.73 1 1.2
230 V kW 1.1 1.5 2 2.5
400 V kW 2 2.6 3.5 4.4
500 V kW 2 3.3 4.6 5.6
690 V kW 2.5 4.6 6 7.7
Utilization category AC-5a
Switching gas discharge lamps, inductive ballast
Per main current path at 230 V1) Rated power per lamp/rated operational current per lamp
- Uncorrected L 18 W/0.37 A Units 108
L 36 W/0.43 A Units 93
L 58 W/0.67 A Units 59
L 80 W/0.79 A Units 50
- DUO switching (two-lamp) L 18 W/0.22 A Units 181 (r 2x181 lamps)
L 36 W/0.42 A Units 95 (r 2x95 lamps)
L 58 W/0.63 A Units 63 (r 2x63 lamps)
Switching gas discharge lamps with correction
Per main current path at 230 V
Rated power per lamp/capacitance/rated
operational current per lamp
L80W/0.87A Units45 (r 2x45 lamps)
- Shunt compensation with inductive
ballast
L 18 W/4.5 μF/0.11 A Units 37 41 61
L 36 W/4.5 μF/0.21 A Units 30 30 51
L 58 W/7.0 μF/0.32 A Units 20 20 33
L 80 W/7.0 μF/0.49 A Units 13 13 22
- With solid-state ballast 2) single lamp L 18 W/6.8 μF/0.10 A Units 105 119 175
L 36 W/6.8 μF/0.18 A Units 58 66 97
L 58 W/10 μF/0.29 A Units 36 41 60
L 80 W/10 μF/0.43 A Units 24 27 40
- With solid-state ballast 2) two-lamp L 18 W/10 μF/0.18 A Units 58 (r 2x58 lamps) 66 (r 2x66 l.) 97 (r 2x97 l.)
L 36 W/10 μF/0.35 A Units 30 (r 2x30 lamps) 34 (r 2x34 l.) 50 (r 2x50 l.)
L 58 W/22 μF/0.52 A Units 20 (r 2x20 lamps) 22 (r 2x22 l.) 33 (r 2x33 l.)
L 80 W/22 μF/0.86 A Units 12 (r 2x12 lamps) 13 (r 2x13 l.) 20 (r 2x20 l.)
Utilization category AC-5b, switching incandescent lamps
per main current path at 230/220 V
kW 2.8 3.2 4.7
Utilization category AC-6a
switching AC transformers
Rated operational current Ie - For inrush current n = 20 Up to 400 V A 11.4 20.2
- For inrush current n = 30
Rating P
Up to 400 V A 7.6 13.5
- For inrush current n = 20 At 230 V kVA 4.5 8
400 V kVA 7.9 13.9
500 V kVA 9.9 15.5
690 V kVA 13.6 15.5
- For inrush current n = 30 At 230 V kVA 3 5.4
400 V kVA 5.2 9.3
500 V kVA 6.6 11.7
690 V kVA 9.1 15.5
For deviating inrush current factors x, the power must be recalculated as follows:
Px = Pn30 ⋅ 30/x
Utilization category AC-6b,
switching low-inductance (low-loss, metallized dielectric) AC capacitors
Rated operational currents Ie Up to 400 V A 5.8 10.8
Rated power for single capacitors or
banks of capacitors (minimum inductance
of 6 µH between capacitors connected
in parallel) at 50 Hz, 60 Hz and
© Siemens AG 2009
At 230 V kvar 2.5 4
400 V kvar 4 7.5
500 V kvar 4 7.5
690 V kvar 4 7.5